A side-by-side video comparing the original Diablo 2 and Diablo 2 Resurrected has shown up online. It highlights UI changes, redesigned textures, character models and several other improvements that the remastered version could have in store for us.
https://www.notebookcheck.net/Diablo-2-Resurrected-gameplay-footage-sheds-light-on-some-key-gameplay-improvements.524226.0.html
Looks like sh*t - runs like sh*t (GTX 660/HD 7850 minimum).
Just.
The "recorded footage" from this channel isn't alpha access material.
This is the original demo video that was released at Blizzcom and via the diablo 2 resurrected site.